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Codebreakers Pb

Book Description
A fun and informative guide to making and breaking secret codes. Starting with a mysterious letter to the reader written in a secret language, the book goes on to cover codes such as Egyptian hieroglyphics, smoke signals and code languages, and on to modern day computer and bar codes.
Book Information
PublisherHodder & Stoughton
BindingPaperback
Reading LevelUncategorized
# of Pages128
ISBN-100340693479
ISBN-13978-0340693476
Publication Date06/18/1997
The Creators
About Jonathan Hancock (Author) : Jonathan Hancock is a published author of children's books. Some of the published credits of Jonathan Hancock include How to Be a Genius.
View Jonathan Hancock's profile
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